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Diffstat (limited to '3871/CH8/EX8.7/Ex8_7.sce')
| -rw-r--r-- | 3871/CH8/EX8.7/Ex8_7.sce | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/3871/CH8/EX8.7/Ex8_7.sce b/3871/CH8/EX8.7/Ex8_7.sce new file mode 100644 index 000000000..583598b19 --- /dev/null +++ b/3871/CH8/EX8.7/Ex8_7.sce @@ -0,0 +1,19 @@ +//===========================================================================
+//chapter 8 example 7
+clc;clear all;
+
+//variable declaration
+V = 230; //voltage in V
+I = 4.4; //current in A
+T = 3; //time in minutes
+x =1; //cos(0)=1
+n = 10; //number of revolutions made
+M = 200; //meter constant in revolutions per kWh
+
+//calculations
+E = (V*I*(T/(60))*x)/(1000); //Energy consumed i3 minutes
+E1 = n/(M); //energy consumption registeredin kWh
+e = ((E1-E)/(E))*100; //percentage error in %
+
+//result
+mprintf("percentage error = %3.3f percentage",e);
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